LPC MicrocontrollersのトピックSignature LPC17xx https://community.nxp.com/t5/LPC-Microcontrollers/Signature-LPC17xx/m-p/518208#M2556 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by mauricio1976 on Fri Oct 23 10:19:12 MST 2015</STRONG><BR /><SPAN>Hello,</SPAN><BR /><SPAN> I am working on a project with bootloader. I used LPC1769 and LPCXpresso v7.9.2 [Build 493] [2015-09-14]. The application that will be load in the flash memory must be validated. Thus i think generate a signature for the aplication file and after charge the application recalculate the signature and compare with the original.</SPAN><BR /><SPAN>I read the document "AN10918 NXP LPC Cortex-M3 IEC60335 Class B library" and i use the functions:</SPAN><BR /><SPAN>void StartHardSignatureGen (uint32_t startAddr, uint32_t length, FlashSign_t *pResultSign)</SPAN><BR /><SPAN>void StartSoftSignatureGen (uint32_t startAddr, uint32_t length, FlashSign_t *pResultSign)</SPAN><BR /><BR /><SPAN>The signature generated for each one of this functions must be the same, but i have an error and i don't know where.</SPAN><BR /><BR /><SPAN>The function "StartSoftSignatureGen" in the "AN10918" it is the same that the algorithm "Fig 140. Algorithm for generating a 128 bit signature" in pag. 650 in document "UM10360"?</SPAN><BR /><SPAN>There are some example with IEC60335 (Flash) for LPCXpresso?</SPAN><BR /><BR /><SPAN>Thanks, Mauricio</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:31:39 GMT lpcware 2016-06-15T17:31:39Z Signature LPC17xx https://community.nxp.com/t5/LPC-Microcontrollers/Signature-LPC17xx/m-p/518208#M2556 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by mauricio1976 on Fri Oct 23 10:19:12 MST 2015</STRONG><BR /><SPAN>Hello,</SPAN><BR /><SPAN> I am working on a project with bootloader. I used LPC1769 and LPCXpresso v7.9.2 [Build 493] [2015-09-14]. The application that will be load in the flash memory must be validated. Thus i think generate a signature for the aplication file and after charge the application recalculate the signature and compare with the original.</SPAN><BR /><SPAN>I read the document "AN10918 NXP LPC Cortex-M3 IEC60335 Class B library" and i use the functions:</SPAN><BR /><SPAN>void StartHardSignatureGen (uint32_t startAddr, uint32_t length, FlashSign_t *pResultSign)</SPAN><BR /><SPAN>void StartSoftSignatureGen (uint32_t startAddr, uint32_t length, FlashSign_t *pResultSign)</SPAN><BR /><BR /><SPAN>The signature generated for each one of this functions must be the same, but i have an error and i don't know where.</SPAN><BR /><BR /><SPAN>The function "StartSoftSignatureGen" in the "AN10918" it is the same that the algorithm "Fig 140. Algorithm for generating a 128 bit signature" in pag. 650 in document "UM10360"?</SPAN><BR /><SPAN>There are some example with IEC60335 (Flash) for LPCXpresso?</SPAN><BR /><BR /><SPAN>Thanks, Mauricio</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:31:39 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Signature-LPC17xx/m-p/518208#M2556 lpcware 2016-06-15T17:31:39Z Re: Signature LPC17xx https://community.nxp.com/t5/LPC-Microcontrollers/Signature-LPC17xx/m-p/518209#M2557 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by mauricio1976 on Tue Nov 03 13:55:27 MST 2015</STRONG><BR /><SPAN>Hello, somebody could help me?</SPAN><BR /><SPAN>Thanks, Mauricio</SPAN><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: mauricio1976</STRONG><BR />Hello,<BR /> I am working on a project with bootloader. I used LPC1769 and LPCXpresso v7.9.2 [Build 493] [2015-09-14]. The application that will be load in the flash memory must be validated. Thus i think generate a signature for the aplication file and after charge the application recalculate the signature and compare with the original.<BR />I read the document "AN10918 NXP LPC Cortex-M3 IEC60335 Class B library" and i use the functions:<BR />void StartHardSignatureGen (uint32_t startAddr, uint32_t length, FlashSign_t *pResultSign)<BR />void StartSoftSignatureGen (uint32_t startAddr, uint32_t length, FlashSign_t *pResultSign)<BR /><BR />The signature generated for each one of this functions must be the same, but i have an error and i don't know where.<BR /><BR />The function "StartSoftSignatureGen" in the "AN10918" it is the same that the algorithm "Fig 140. Algorithm for generating a 128 bit signature" in pag. 650 in document "UM10360"?<BR />There are some example with IEC60335 (Flash) for LPCXpresso?<BR /><BR />Thanks, Mauricio</SPAN><HR /><BR /></BODY></HTML> Wed, 15 Jun 2016 17:31:39 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Signature-LPC17xx/m-p/518209#M2557 lpcware 2016-06-15T17:31:39Z